Vanessa had $190 more than Barbara. Vanessa spent 0.8 of her money and Barbara spent 40% of her money. In the end, Vanessa and Barbara had the same amount of money left. Find the amount of money that Vanessa had in the end.
| |
Vanessa |
Barbara |
Comparing Vanessa
and Barbara at first |
190 more |
|
| Before |
5x3 =
15 u |
5x1 =
5 u |
| Change |
- 4x3 =
- 12 u |
- 2x1 =
- 2 u |
| After |
1x3 =
3 u |
3x1 =
3 u |
0.8 =
810 =
45 40% =
40100 =
25 Vanessa and Barbara had the same amount of money in the end. Make the amount that each had in the end the same. LCM of 1 and 3 is 3.
Amount that Vanessa had more than Barbara at first
= 15 u - 5 u
= 10 u
10 u = 190
1 u = 190 ÷ 10 = 19
Amount that Vanessa had in the end
= 3 u
= 3 x 19
= $57
Answer(s): $57
